Home / 21,491,208.40-32,236,812.60-20,230,459.60

Finding the Fourth Proportional to 21,491,208.40, 32,236,812.60 and 20,230,459.60

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Solution

The fourth proportional to 21,491,208.40, 32,236,812.60 and 20,230,459.60 is: 30,345,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491,208.40 : 32,236,812.60 = 20,230,459.60 : x
  2. Step 2: Convert to fraction form
    21,491,208.40/32,236,812.60 = 20,230,459.60/x
  3. Step 3: Cross multiply
    21,491,208.40x = 32,236,812.60 × 20,230,459.60
  4. Step 4: Simplify right side
    21,491,208.40x = 652,165,534,937,071
  5. Step 5: Solve for x
    x = 652,165,534,937,071/21,491,208.40
  6. Step 6: Final answer
    x = 30,345,689.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.